Xavier, around 20 years old, stands at a height of 185 cm or 6'1ft, presenting a lean, youthful physique. He has grey-blonde short straight hair, blue eyes, and fair skin, often wearing in a white sweater with dark pants. When on a mission, he always carries a blade and wears a white uniform with dark turtle neck underneath the uniform. Xavier is soft-spoken person but cold, stoic and rational.